linux-kernel - Re: [6/6] mm: memcontrol: account slab stats per lruvec

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Message-ID: <20170605165203.GA20603@roeck-us.net>
Date:   Mon, 5 Jun 2017 09:52:03 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Johannes Weiner <hannes@...xchg.org>
Cc:     Josef Bacik <josef@...icpanda.com>, Michal Hocko <mhocko@...e.com>,
        Vladimir Davydov <vdavydov.dev@...il.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Rik van Riel <riel@...hat.com>, linux-mm@...ck.org,
        cgroups@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-team@...com
Subject: Re: [6/6] mm: memcontrol: account slab stats per lruvec

On Tue, May 30, 2017 at 02:17:24PM -0400, Johannes Weiner wrote:
> Josef's redesign of the balancing between slab caches and the page
> cache requires slab cache statistics at the lruvec level.
> 
> Signed-off-by: Johannes Weiner <hannes@...xchg.org>
> Acked-by: Vladimir Davydov <vdavydov.dev@...il.com>

Presumably this is already known, but a remarkable number of crashes
in next-20170605 bisects to this patch.

Guenter

---
Qemu test results:
	total: 122 pass: 51 fail: 71
Failed tests:
	arm:vexpress-a9:vexpress_defconfig:vexpress-v2p-ca9
	arm:vexpress-a15:vexpress_defconfig:vexpress-v2p-ca15-tc1
	arm:kzm:imx_v6_v7_defconfig
	arm:sabrelite:imx_v6_v7_defconfig:imx6dl-sabrelite
	arm:beagle:multi_v7_defconfig:omap3-beagle
	arm:beaglexm:multi_v7_defconfig:omap3-beagle-xm
	arm:overo:multi_v7_defconfig:omap3-overo-tobi
	arm:sabrelite:multi_v7_defconfig:imx6dl-sabrelite
	arm:vexpress-a9:multi_v7_defconfig:vexpress-v2p-ca9
	arm:vexpress-a15:multi_v7_defconfig:vexpress-v2p-ca15-tc1
	arm:vexpress-a15-a7:multi_v7_defconfig:vexpress-v2p-ca15_a7
	arm:xilinx-zynq-a9:multi_v7_defconfig:zynq-zc702
	arm:xilinx-zynq-a9:multi_v7_defconfig:zynq-zc706
	arm:xilinx-zynq-a9:multi_v7_defconfig:zynq-zed
	arm:midway:multi_v7_defconfig:ecx-2000
	arm:smdkc210:multi_v7_defconfig:exynos4210-smdkv310
	arm:smdkc210:exynos_defconfig:exynos4210-smdkv310
	arm:beagle:omap2plus_defconfig:omap3-beagle
	arm:beaglexm:omap2plus_defconfig:omap3-beagle-xm
	arm:overo:omap2plus_defconfig:omap3-overo-tobi
	arm:realview-pb-a8:realview_defconfig:arm-realview-pba8
	arm:realview-pbx-a9:realview_defconfig:arm-realview-pbx-a9
	arm:realview-eb:realview_defconfig:arm-realview-eb
	arm:realview-eb-mpcore:realview_defconfig:arm-realview-eb-11mp-ctrevb
	arm64:virt:smp:defconfig
	arm64:xlnx-ep108:smp:defconfig:zynqmp-ep108
	arm64:virt:nosmp:defconfig
	arm64:xlnx-ep108:nosmp:defconfig:zynqmp-ep108
	mips:malta_defconfig:smp
	mipsel:24Kf:malta_defconfig:smp
	powerpc:mac99:nosmp:ppc_book3s_defconfig
	powerpc:g3beige:nosmp:ppc_book3s_defconfig
	powerpc:mac99:smp:ppc_book3s_defconfig
	powerpc:mpc8548cds:smpdev:85xx/mpc85xx_cds_defconfig
	powerpc:mac99:ppc64_book3s_defconfig:nosmp
	powerpc:mac99:ppc64_book3s_defconfig:smp4
	powerpc:pseries:pseries_defconfig
	powerpc:mpc8544ds:ppc64_e5500_defconfig:smp
	sparc32:SPARCClassic:smp:sparc32_defconfig
	sparc32:SPARCbook:smp:sparc32_defconfig
	sparc32:SS-4:smp:sparc32_defconfig
	sparc32:SS-5:smp:sparc32_defconfig
	sparc32:SS-10:smp:sparc32_defconfig
	sparc32:SS-20:smp:sparc32_defconfig
	sparc32:SS-600MP:smp:sparc32_defconfig
	sparc32:LX:smp:sparc32_defconfig
	sparc32:Voyager:smp:sparc32_defconfig
	x86:Broadwell:q35:x86_pc_defconfig
	x86:Skylake-Client:q35:x86_pc_defconfig
	x86:SandyBridge:q35:x86_pc_defconfig
	x86:Haswell:pc:x86_pc_defconfig
	x86:Nehalem:q35:x86_pc_defconfig
	x86:phenom:pc:x86_pc_defconfig
	x86:core2duo:q35:x86_pc_nosmp_defconfig
	x86:Conroe:isapc:x86_pc_nosmp_defconfig
	x86:Opteron_G1:pc:x86_pc_nosmp_defconfig
	x86:n270:isapc:x86_pc_nosmp_defconfig
	x86_64:q35:Broadwell-noTSX:x86_64_pc_defconfig
	x86_64:q35:IvyBridge:x86_64_pc_defconfig
	x86_64:q35:SandyBridge:x86_64_pc_defconfig
	x86_64:q35:Haswell:x86_64_pc_defconfig
	x86_64:pc:core2duo:x86_64_pc_defconfig
	x86_64:q35:Nehalem:x86_64_pc_defconfig
	x86_64:pc:phenom:x86_64_pc_defconfig
	x86_64:q35:Opteron_G1:x86_64_pc_defconfig
	x86_64:pc:Opteron_G4:x86_64_pc_nosmp_defconfig
	x86_64:q35:IvyBridge:x86_64_pc_nosmp_defconfig
	xtensa:dc232b:lx60:generic_kc705_defconfig
	xtensa:dc232b:kc705:generic_kc705_defconfig
	xtensa:dc233c:ml605:generic_kc705_defconfig
	xtensa:dc233c:kc705:generic_kc705_defconfig